MHT CET 2024 Physics question
Two long straight parallel wires are separated by a distance '2d'. each wire carries a current 'I' in the same direction. The magnetic field at a point 'P' midway between them is
Answer: (B)
Solution
The point P is midway between the wires, so it is at the same distance from each, and each wire produces a field of equal magnitude at P. By the right-hand rule, for currents in the same direction the field of one wire at P points in the direction opposite to the field of the other
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